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2-Amino-ethanethiol anion, also known as cysteine anion, is a chemical compound derived from the amino acid cysteine. It consists of a thiol group (-SH) attached to an ethylamine chain, with the general formula HSCH2CH(NH2)COO-. This anion plays a crucial role in various biological processes, as it is a key component of proteins and enzymes, particularly those involved in redox reactions and maintaining the structure of proteins through disulfide bonds. The anion's unique properties, such as its ability to form hydrogen bonds and its reactivity with heavy metals, make it an important player in biochemistry and pharmaceutical applications.

1492-51-9

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1492-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1492-51-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,9 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1492-51:
(6*1)+(5*4)+(4*9)+(3*2)+(2*5)+(1*1)=79
79 % 10 = 9
So 1492-51-9 is a valid CAS Registry Number.

1492-51-9Downstream Products

1492-51-9Relevant academic research and scientific papers

Aminopyrine and Antipyrine Free Radical-cations: Pulse Radiolysis Studies of One-electron Transfer Reactions

Forni, Luigi G.,Mora-Arellano, Victor O.,Packer, John E.,Willson, Robin L.

, p. 1579 - 1584 (2007/10/02)

Absolute rate constants for the reaction of a variety of electrophilic free radicals with the pyrazoline derivatives aminopyrine and antipyrine have been measured by pulse radiolysis.In the case of aminopyrine the resulting radical cation is a particularly stable species ε325 5.35*103 dm3 mol-1 cm-1).Both compounds are readily oxidised to their respective radical-cations with the one-electron oxidation potential of antipyrine (E0 1.1-1.6 V) being higher than that of aminopyrine (E0 0.26-0.5 V).Studies of the reaction of the radical-cations with reducing agents suggest that aminopyrine in particular may prove to be a useful reference compound in studies of free radical one-electron oxidations.

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